As an initial test for the conceptual model, a simple environmental response model was developed based on published water requirements for River Red Gum (Rogers and Ralph, 2010). The model calculated an ecological health score by comparing the flow received at the terminal wetland, with the published water requirements for duration, magnitude and rate of change of flow. A score of 1 was assigned when the received flow met required conditions; 0 when the appropriate inter-flood duration requirement was being met, and a value of between 0 and -1 outside these. During extended dry
periods, the score was approximated based on the likelihood of access to groundwater (Figure 2). The relationship between groundwater level and response was estimated as follows:separately, given that higher rates of loss are expected during dry years.
As an initial test for the conceptual model, a simple environmental response model was developed based on published water requirements for River Red Gum (Rogers and Ralph, 2010). The model calculated an ecological health score by comparing the flow received at the terminal wetland, with the published water requirements for duration, magnitude and rate of change of flow. A score of 1 was assigned when the received flow met required conditions; 0 when the appropriate inter-flood duration requirement was being met, and a value of between 0 and -1 outside these. During extended dry periods, the score was approximated based on the likelihood of access to groundwater (Figure 2). The relationship between groundwater level and response was estimated as follows:separately, given that higher rates of loss are expected during dry years.
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